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Reporter: Robert Frederick
Over a hundred years’ worth of data shows our planet’s temperature has risen, on average, about one degree. That’s global climate change, and it makes sense to look to our Sun as the reason our planet is getting warmer. After all, the Sun’s energy drives our climate, and drives our planet. But does the Sun’s energy account for global climate change all by itself?

Interviewee: Ben Santer
Well, that’s testable. You know, that hypothesis — it’s all the Sun — which we regularly read about and hear about — is testable.

Reporter: Robert Frederick
Meet Ben Santer. He’s a climate scientist who works at Lawrence LIvermore National Lab in California.

Interviewee: Ben Santer
I try and study the nature and causes of climate change.

Reporter: Robert Frederick
Twenty years ago, Ben wrote in the consensus opinion for the Intergovernmental Panel on Climate Chang...
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Intro and Outro

INTRO:

Looking for relief outside on a hot day, most people will look for a bit of shade. There’s no shade for our planet, though, which is heating up. Indeed, there’s no doubt that global climate change is happening. The question is whether our activities are causing it. Of course, there’s room for debate. But scientists have ruled out many possibilities. For example, as freelance journalist Robert Frederick reports, global climate change isn’t just due to the Sun.

OUTRO:

Robert Frederick is a freelance science reporter. Find him at TheConjectural.com.